}
  }

  /**
   * This is like [toLowerCase] except that it does nothing if this contains any non-ASCII
   * characters. We want to avoid lower casing special chars like U+212A (Kelvin symbol) because
   * they can return ASCII characters that match real hostnames.
   */
  private fun String.asciiToLowercase(): String =
    when {
      isAscii() -> lowercase(Locale.US) // This is an ASCII string.

        <executions>
          <execution>
            <id>default-compile</id>
            <configuration>
              <compilerArgs combine.children="append" combine.self="append">
                <arg>-XDignore.symbol.file</arg>
              </compilerArgs>
            </configuration>
          </execution>
          <execution>
            <id>compile-java9</id>
            <phase>compile</phase>
            <goals>

        <executions>
          <execution>
            <id>default-compile</id>
            <configuration>
              <compilerArgs combine.children="append" combine.self="append">
                <arg>-XDignore.symbol.file</arg>
              </compilerArgs>
            </configuration>
          </execution>
          <execution>
            <id>compile-java9</id>
            <phase>compile</phase>
            <goals>

pkg os, func Executable() (string, error)
pkg os, var ErrClosed error
pkg plugin, func Open(string) (*Plugin, error)
pkg plugin, method (*Plugin) Lookup(string) (Symbol, error)
pkg plugin, type Plugin struct
pkg plugin, type Symbol interface {}
pkg reflect, func Swapper(interface{}) func(int, int)
pkg runtime, func MutexProfile([]BlockProfileRecord) (int, bool)
pkg runtime, func SetMutexProfileFraction(int) int

pkg debug/elf, type DynamicVersionNeed struct, Name string #63952
pkg debug/elf, type DynamicVersionNeed struct, Needs []DynamicVersionDep #63952
pkg debug/elf, type Symbol struct, HasVersion bool #63952
pkg debug/elf, type Symbol struct, VersionIndex VersionIndex #63952
pkg debug/elf, method (VersionIndex) Index() uint16 #63952
pkg debug/elf, method (VersionIndex) IsHidden() bool #63952

          # metadata. gcr.io helpfully includes it in the header of the response
          # as docker-content-digest: sha256:[digest]. Note we use egrep to
          # match exactly sha256:<hash> because curl may include a ^M symbol at
          # the end of the line.
          # See https://cloud.google.com/architecture/using-container-images#exploring_image_manifests_digests_and_tags
          echo -n "Trying to map name $1 to tag $2... "

pkg debug/elf, type R_AARCH64 int

# CL 107530043 debug/elf: add (*File).DynamicSymbols, ErrNoSymbols, and tests for (*File).Symbols and (*File).DynamicSymbols, and formalize symbol order., Pietro Gagliardi <******@****.***>
pkg debug/elf, method (*File) DynamicSymbols() ([]Symbol, error)
pkg debug/elf, var ErrNoSymbols error

# CL 106460044 debug/plan9obj, cmd/addr2line: on Plan 9 use a.out header, Aram Hăvărneanu <******@****.***>

	// Converted to load of symbol (AUIPC + FLW)
	MOVF	$(709.78271289338397), F3		// 970f000087a10f00

	MOVD	4(X5), F0				// 07b04200
	MOVD	F0, 4(X5)				// 27b20200
	MOVD	F0, F1					// d3000022
	MOVD	F3, X1					// d38001e2
	MOVD	X1, F3					// d38100f2
	MOVD	X0, F3					// d30100f2
	MOVD	$(0.0), F3				// d30100f2

	// Converted to load of symbol (AUIPC + FLD)

  fun hostnameTelephone() {
    // https://www.gosecure.net/blog/2020/10/27/weakness-in-java-tls-host-verification/

    // Map the single character telephone symbol (℡) to the string "tel".
    assertThat(parse("http://\u2121").host).isEqualTo("tel")

    // Map the Kelvin symbol (K) to the string "k".
    assertThat(parse("http://\u212A").host).isEqualTo("k")
  }

  @Test
  fun quirks() {

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrParseMissingIdentAfterAt: {
		Code:           "ParseMissingIdentAfterAt",
		Description:    "Did not find the expected identifier after the @ symbol in the SQL expression.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrParseUnexpectedOperator: {
		Code:           "ParseUnexpectedOperator",